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3 December, 19:34

Gregory predicts that 310 people will attend the spring play. And there was an actual total of 220 people who attended the spring play. What is the percent error.

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  1. 3 December, 19:50
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    310 - 220 = 90

    90/310 = x/100 (cross multiplication)

    9000 = 310x

    9000/310 = x

    x = around 29%
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